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Others can't perceive it.
To normal people, spiritual energy is always around them, whether it's rich or thin, and they typically don't have an overly direct perception of it.
But it's different for Lin Yuan.
He could clearly sense the spiritual energy after someone's death... or to be more precise, the spiritual power that had fermented within the human body, which he could directly absorb into his own.
Sun Xiaolian died a horrible death.
But in the end, she was dead, and at this moment, Lin Yuan could clearly detect the spiritual power around her gradually dissipating, seemingly also sensing the presence of a cultivator nearby and actively burrowing into his body.
The spiritual power was already very weak. It seemed she had been dead for at least a day.
However, spiritual power was still leaking out.